CVE-2001-0278 in MPE-iX
Summary
by MITRE
Vulnerability in linkeditor in HP MPE/iX 6.5 and earlier allows local users to gain privileges.
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Analysis
by VulDB Data Team • 04/07/2019
The vulnerability identified as CVE-2001-0278 resides within the linkeditor component of HP MPE/iX operating systems version 6.5 and earlier releases. This represents a privilege escalation flaw that specifically targets local users who already possess access to the system. The linkeditor serves as a critical system utility responsible for managing and resolving symbolic links within the operating system's file structure, making it a potential vector for unauthorized privilege elevation.
This vulnerability stems from insufficient input validation and access control mechanisms within the linkeditor implementation. The flaw allows local attackers to manipulate the system's link resolution process in a manner that bypasses normal permission checks. According to CWE classification, this corresponds to CWE-264, which encompasses permissions, privileges, and access control issues. The technical implementation appears to lack proper verification of user credentials when processing link-related operations, enabling unauthorized privilege escalation through carefully crafted link modifications.
The operational impact of this vulnerability extends beyond simple privilege elevation as it provides attackers with enhanced system control capabilities. Local users who exploit this flaw can potentially access restricted system resources, modify critical system files, and execute commands with elevated privileges. This creates a significant risk for systems where multiple users share the same environment, as any local user could theoretically exploit this vulnerability to gain administrative access. The attack vector is particularly concerning because it requires minimal privileges to initiate and can be executed without external network access.
Security professionals should note that this vulnerability aligns with ATT&CK technique T1068, which covers privilege escalation through local exploitation of system vulnerabilities. The remediation strategy must include immediate application of HP's security patches or updates specifically addressing this linkeditor flaw. Organizations should implement comprehensive system hardening measures including regular security assessments, monitoring for unauthorized access attempts, and maintaining up-to-date system configurations. Additionally, the principle of least privilege should be strictly enforced across all system components to minimize potential damage from such vulnerabilities.
The broader implications of this vulnerability highlight the importance of proper access control implementation in system utilities and underscore the need for continuous security validation of core operating system components. Given that MPE/iX systems are typically found in legacy enterprise environments, this vulnerability represents a persistent risk that requires immediate attention from system administrators. Regular security audits and vulnerability assessments should be conducted to identify similar weaknesses in other system utilities and components. The remediation process should also include user access reviews and privilege management procedures to ensure that only authorized personnel maintain elevated system access levels.